1: (3 7 10)

(0 19 3 8 7)(1 17 15)(2 6 4)(5 11 9)(10)(12 16 14)(13 20 18)

2: (5 11 9)

(0 19 3 8 7)(1 17 15)(2 6 4)(5)(9)(10)(11)(12 16 14)(13 20 18)

3: (2 6 4)

(0 19 3 8 7)(1 17 15)(2)(4)(5)(6)(9)(10)(11)(12 16 14)(13 20 18)

4: (3 8 19)

(0 19 7)(1 17 15)(2)(3)(4)(5)(6)(8)(9)(10)(11)(12 16 14)(13 20 18)